Abstract
Due to the intermittent and volatility of wind power output, the traditional power grid’s operation and dispatching mode and the adjustment capability of conventional units were unable to meet the demands of large-scale wind power penetration. Based on the characteristics of the day-ahead dispatching link in the spot power market, this paper combines the auxiliary service with the day-ahead power market transaction to form the day-ahead trading plan. At the same time, considering the conventional thermal power peak shifting and interruptible load peak shifting, a new market peak shifting optimization model reflecting the will of the source-load role is formed. On this basis, electricity day-ahead market dispatching model considering source-load and peak shifting is established, aiming at the maximum expected income of wind power plant. Through practical examples and scenario analysis, it is verified that the source-load peak shifting scheduling model will effectively improve the expected income and absorption rate of wind power plant.
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